Finding the Fourth Proportional to 352,551.48, 486,551.16 and 199,616.62
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Solution
The fourth proportional to 352,551.48, 486,551.16 and 199,616.62 is: 275,487.99
Step by Step Solution
- Step 1: Write the proportion equation
352,551.48 : 486,551.16 = 199,616.62 : x - Step 2: Convert to fraction form
352,551.48/486,551.16 = 199,616.62/x - Step 3: Cross multiply
352,551.48x = 486,551.16 × 199,616.62 - Step 4: Simplify right side
352,551.48x = 97,123,698,016.28 - Step 5: Solve for x
x = 97,123,698,016.28/352,551.48 - Step 6: Final answer
x = 275,487.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.